diff --git a/src/main/java/org/springframework/samples/petclinic/owner/Owner.java b/src/main/java/org/springframework/samples/petclinic/owner/Owner.java
index 61083bc..e9c9dd0 100644
--- a/src/main/java/org/springframework/samples/petclinic/owner/Owner.java
+++ b/src/main/java/org/springframework/samples/petclinic/owner/Owner.java
@@ -46,6 +46,11 @@
 @Table(name = "owners")
 public class Owner extends Person {
 
+	/**
+	 *
+	 */
+	private static final long serialVersionUID = 1L;
+
 	@Column(name = "address")
 	@NotEmpty
 	private String address;